The Vaisala HUMICAP® Humidity and Temperature Transmitter HMT334 is designed to measure humidity in pressurized spaces or vacuum chambers. Each probe is tested to ensure a gas and vacuum tight installation.

The Vaisala HUMICAP® Humidity and Temperature Transmitter HMT337 is delivered in one of three configurations: • Basic: non-warmed probe for moderate humidities • With a warmed probe: for nea-rcondensing conditions and dew point measurement • With a warmed probe and an...